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Efforts to raise water rates across the country are being met with resistance.
A report suggesting limitations on red meat consumption stirs up controversy.
The menu at Dan Barber's restaurant features dishes made only from food waste.
Almonds don't just take a lot of water to grow; they take a lot of bees, too
2014 was the hottest year on record. What's next for climate change policy and economics?
Ten million phones bought, 56 million cards stolen and a lot of loan defaults.
Urban bike share's low-carbon, high-tech vision … requires a few gas guzzlers.
U.S. clean tech is finding big opportunities cleaning up China's environment.
The average Nigerian uses about 1/5 the energy of the average American.
Europe has been in the forefront of limiting carbon emissions. Do new European Union rules represent backsliding?
